Homework Help: physic

Posted by john on Thursday, November 19, 2009 at 8:15pm.

Water flows through a 4.0-cm-diameler horizontal pipe ata speed uf 1.3 m/s. The pipe then narrows down to a diameter of 2.0 cm. Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe

physic - bobpursley, Thursday, November 19, 2009 at 8:18pm
figure the flow in the smaller pipe using the law of continuinty
Speed1*area1=Speed2*area2

then, having the two speeds, use bernouli's equation to find pressure.

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